reallyme-crypto-p521 0.1.1

P-521 ECDSA primitive for ReallyMe Crypto.
Documentation

crypto-p521

NIST P-521 ECDSA primitive for ReallyMe Crypto.

The public API uses compressed SEC1 public keys, raw 66-byte private scalars, SHA-512 prehashing, and DER-encoded ECDSA signatures. Secret key material is returned in zeroizing buffers.

Verification fails closed with a typed error. It does not return a boolean.